Finding the Fourth Proportional to 37,861.72, 52,249.54 and 20,866.59

Step by Step Solution

1. Step 1: Write the proportion equation
   37,861.72 : 52,249.54 = 20,866.59 : x
2. Step 2: Convert to fraction form
   37,861.72/52,249.54 = 20,866.59/x
3. Step 3: Cross multiply
   37,861.72x = 52,249.54 × 20,866.59
4. Step 4: Simplify right side
   37,861.72x = 1,090,269,568.88
5. Step 5: Solve for x
   x = 1,090,269,568.88/37,861.72
6. Step 6: Final answer
   x = 28,796.09